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Proceedings Paper

Changing the color of textiles with realistic visual rendering
Author(s): Mathieu Hébert; Lambert Henckens; Justine Barbier; Lucie Leboulleux; Marine Page; Lucie Roujas; Anthony Cazier
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Paper Abstract

Fast and easy preview of a fabric without having to produce samples would be very profitable for textile designers, but remains a technological challenge. As a first step towards this objective, we study the possibility of making images of a real sample, and changing virtually the colors of its yarns while preserving the shine and shadow texture. We consider two types of fabrics: Jacquard weave fabrics made of polyester warp and weft yarns of different colors, and satin ribbons made of polyester and metallic yarns. For the Jacquard fabric, we make a color picture with a scanner on a sample in which the yarns have contrasted colors, threshold this image in order to distinguish the pixels corresponding to each yarn, and accordingly modify their hue and chroma values. This method is simple to operate but do not enable to simulate the angle-dependent shine. A second method, tested on the satin ribbon made of black polyester and achromatic metallic yarns, is based on polarized imaging. We analyze the polarization state of the reflected light which is different for dielectric and metallic materials illuminated by polarized light. We then add a fixed color value to the pixels representing the polyester yarns and modify the hue and chroma of the pixels representing the metallic yarns. This was performed for many incident angles of light, in order to render the twinkling effect displayed by these ribbons. We could verify through a few samples that the simulated previews reproduce real pictures with visually acceptable accuracy.

Paper Details

Date Published: 13 March 2015
PDF: 10 pages
Proc. SPIE 9398, Measuring, Modeling, and Reproducing Material Appearance 2015, 93980Q (13 March 2015); doi: 10.1117/12.2076445
Show Author Affiliations
Mathieu Hébert, Univ. de Lyon, Univ. Jean Monnet de Saint-Etienne, CNRS, Lab. Hubert Curien (France)
Institut d'Optique (France)
Lambert Henckens, Lembart S.A.S. (France)
Justine Barbier, Institut d'Optique (France)
Lucie Leboulleux, Institut d'Optique Graduate School (France)
Marine Page, Institut d'Optique Graduate School (France)
Lucie Roujas, Institut d'Optique (France)
Anthony Cazier, Univ. de Lyon, Univ. Jean Monnet de Saint-Etienne, CNRS, Lab. Hubert Curien (France)
Institut d'Optique (France)


Published in SPIE Proceedings Vol. 9398:
Measuring, Modeling, and Reproducing Material Appearance 2015
Maria V. Ortiz Segovia; Philipp Urban; Francisco H. Imai, Editor(s)

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